Fitness tower



FIG. 1 is a perspective view of a fitness tower showing a new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines illustrate portions of the article that form no part ofthe claimed design.

CLAIM The ornamental design for a fitness tower, as shown and described.